A Dutch start-up called Meatable thinks it has a game-changing product that can help feed a crowded, hungry world: laboratory-grown hamburgers.
Enthusiasts say large-scale production of lab-cultured meat would use 90 percent less land and water than conventional farming and could revolutionize agriculture while addressing global warming and rising worldwide demand for protein. Consumers will have two big questions. Are test-tube burgers tasty? And are they safe?